Threat Database Backdoors Backdoor.MSIL.DllInject.ABBB

Backdoor.MSIL.DllInject.ABBB

By CagedTech in Backdoors

Threat Scorecard

Popularity Rank: 23,014
Threat Level: 60 % (Medium)
Infected Computers: 1
First Seen: November 4, 2022
Last Seen: June 12, 2026
OS(es) Affected: Windows

The detection of Backdoor.MSIL.DllInject.ABBB on your system indicates a potential security threat that requires immediate attention. This detection name suggests a type of backdoor threat, which is a malicious program designed to bypass security mechanisms and allow unauthorized access to a computer system. In this report, we will provide an overview of what Backdoor.MSIL.DllInject.ABBB is, how it operates, its symptoms, and most importantly, the steps you can take to remove it from your system.

What Is Backdoor.MSIL.DllInject.ABBB?

Backdoor.MSIL.DllInject.ABBB is identified as a backdoor threat, which means it is designed to give attackers remote access to a compromised computer. Backdoors can be used for a variety of malicious purposes, including stealing sensitive information, installing additional malware, or using the compromised system for further malicious activities. The name itself does not directly indicate a specific malware family but suggests it involves DLL injection, a technique used by malware to evade detection and persist on a system.

How Backdoor.MSIL.DllInject.ABBB Operates

Backdoor threats like Backdoor.MSIL.DllInject.ABBB typically operate by first infecting a system through various means such as exploiting vulnerabilities, phishing attacks, or being downloaded as part of other malicious software. Once installed, they can communicate with their command and control servers to receive instructions, which might include downloading and installing additional malware, stealing data, or engaging in other malicious activities. The use of DLL injection allows the malware to hide its presence by blending in with legitimate system processes.

Symptoms of Infection

Symptoms of a Backdoor.MSIL.DllInject.ABBB infection can be subtle and may not always be immediately apparent. Common signs include unusual system behavior, such as unexpected crashes, slow performance, or unfamiliar programs and windows appearing. Additionally, increased network activity without a clear cause, or antivirus software alerts indicating the presence of malware, can also be indicative of an infection. Since backdoors are designed to be stealthy, it's possible for a system to be infected without showing any noticeable symptoms.

How to Remove Backdoor.MSIL.DllInject.ABBB

  1. Enter Safe Mode with Networking to limit the malware's ability to interfere with the removal process. This mode allows you to use the internet to download necessary tools while minimizing the number of running programs.
  2. Perform a full scan of your system using a reputable antivirus tool, such as SpyHunter, to detect and remove the malware. Ensure your antivirus software is updated with the latest definitions before scanning.
  3. Uninstall suspicious programs that you do not recognize or that were installed around the time you believe your system became infected.
  4. Reset your browsers (Chrome, Firefox, Edge, etc.) to their default settings to remove any malicious extensions or settings changes made by the malware.
  5. Reboot your system and perform another full scan to ensure that the malware has been completely removed. Repeat the scanning process until no threats are detected.

Conclusion

The removal of Backdoor.MSIL.DllInject.ABBB requires careful and thorough steps to ensure that all components of the malware are eliminated from your system. It's crucial to stay vigilant and keep your antivirus software and operating system updated to protect against future infections. Regularly backing up important data and being cautious when opening emails or downloading software from the internet can also help prevent malware infections. If you are unsure about any part of the removal process, consider seeking help from a professional to ensure your system is completely clean and secure.

Analysis Report

General information

Family Name: Backdoor.MSIL.DllInject.ABBB
Signature status: No Signature

Known Samples

MD5: 7bb278eb85aa12e4d1cc50a374de3fef
SHA1: e45280bd7c83835a353bd6de99edef952a08359d
SHA256: 3A6124ED7332D5D5B7E1A526EAD63AB0DAEB213DBB8C82EA406B5F81E7487B5A
File Size: 1.11 MB, 1111552 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have exports table
  • File doesn't have security information
  • File is .NET application
  • File is 32-bit executable
  • File is either console or GUI application
  • File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
  • File is not packed
  • IMAGE_FILE_DLL is not set inside PE header (Executable)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

Windows PE Version Information

Name Value
Assembly Version 1.0.0.0
File Description 8BitDoUltimatePairTools
File Version 1.0.0.0
Internal Name 8BitDoGamepadTest.exe
Legal Copyright Copyright © 2022
Original Filename 8BitDoGamepadTest.exe
Product Name 8BitDoUltimatePairTools
Product Version 1.0.0.0

File Traits

  • .NET
  • x86

Block Information

Total Blocks: 87
Potentially Malicious Blocks: 14
Whitelisted Blocks: 41
Unknown Blocks: 32

Visual Map

x x x ? x x x ? ? ? x ? ? 0 0 ? ? ? ? ? ? ? ? ? 0 x 0 ? ? ? ? ? ? 0 x x x x 0 0 0 0 ? 0 0 0 0 0 0 ? ? x 0 x ? ? ? 0 0 0 0 0 0 0 0 ? ? ? ? ? 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Registry Modifications

Key::Value Data API Name
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::proxybypass  RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::intranetname  RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::uncasintranet  RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::autodetect RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::proxybypass  RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::intranetname  RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::uncasintranet  RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::autodetect RegNtPreCreateKey

Windows API Usage

Category API
User Data Access
  • GetComputerNameEx
  • GetUserDefaultLocaleName
  • GetUserObjectInformation
Anti Debug
  • IsDebuggerPresent
  • NtQuerySystemInformation
Encryption Used
  • BCryptOpenAlgorithmProvider

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